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Home > Fire Safety-An Explosive Topic We Have Found 1 Products for your search of Fire Safety-An Explosive Topic. Displaying Items 1 - 1 and Article Search Page 1:
- Is Homo Erectus in Our Family Tree?
by Jerry Boone. Homo erectus lived from an estimated 2,000,000 down to 100,000 years ago. Java and Peking man are included among Homo erectus.
Locations: Europe, India, China, Southeastern Asia, and Africa. Height: 5 feet 2 inches to 6 feet; Weight: 100 to 150 pounds. Fossils: Jaws, teeth, and an occasional skull cap and thighbone have been uncovered. In 1984, a well-preserved almost complete erectus was discov... products, articles, news
- Evolution - The Devil Is in the Details (Part Four of Six)
by Jerry Boone. Mutations: Facts and Figures
Let's start off where naturalists usually begin - with something like a bacteria. Never mind how those three million nucleotides got together and organized into a living system. Let's just say the bacteria-like life form is a given.
How is the bacteria suppose to change? Answer: by mutation. Immediately we run into a problem. Mutations are very rare. Even more disco... products, articles, news
- Who Was the First Scientist?
by Bradley Steffens. We live in a scientific age. Millions of young people study science, thousands of universities teach it, and hundreds of publications chronicle it. We even have a cable channel devoted exclusively to its wonders. We are immersed in technology rooted in its discoveries. But what is science, and who was its first practitioner?
Science is the study of the physical world, but it is not just a topic,... products, articles, news
- Static Sparks and Your Comfort
by Edward Ngureco. One of the greatest mild discomforts that millions of people go through unknowingly is static sparks. Static sparks or static electricity is the one you generate when you rub plastic pen against your hair and then you bring the pen closer to pieces of paper - the pieces of paper are attracted to the pen. Static electricity can sometimes build to very high voltages in our bodies causing great dama... products, articles, news
- Evolution - The Devil Is in the Details (Part Five of Six)
by Jerry Boone. Did mankind evolve from bacteria? Did the Encyclopedia Britannica evolve from Leo Tolstoy's War and Peace? Let's check out this analogy!
The Language of Life
Deoxyribonucleic acid, or DNA for short, has been called the language of life. The description is an apt one. DNA's language is composed of basic elements called nucleotides. These nucleotide bases combine into specific codons much the... products, articles, news
- Those Elusive Beneficial Mutations
by Jerry Boone. Naturalists claim that evolution is driven by beneficial mutations. Based on 6,000 years of recorded history, is that a plausible or implausible assertion? Let's check it out.
What do we know of genetic mutations affecting humans? According to Reader's Digest, ABC's of the Human Body, scientists have identified 1,800 diseases transmitted by defective genes.
They claim that of all babies born al... products, articles, news
- Evolution - The Devil Is in the Details (Part Three of Six)
by Jerry Boone. Are mutations the driving force in evolution? Is that feasible? Let's do a bit of detective work and see if we can answer these questions.
Considering all the activity in the cell - and we have only looked at a small part of it - it appears that a good number of things could go wrong in the operation. That is an understatement. Geneticists call these errors: saltations, mutations, mutants, spor... products, articles, news
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